Title:
Perforating apparatus
United States Patent 3025794

Inventors:
Lebourg, Maurice P.
Fagan, Herbert C.
Publication Date:
03/20/1962
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Assignee:
SCHLUMBERGER WELL SURV CORP
Primary Class:
102/306
Other Classes:
89/1.150
International Classes:
F42B1/032; F42B1/00
US Patent References:
2849957Explosive projectile
Foreign References:
AU131701B
DE818186C
GB693163A